The 84th Academy Awards ceremony, hosted by the Academy of Motion Picture Arts and Sciences (AMPAS), will honor the best films of 2011. The ceremony will take place on February 26, 2012 (4:00 p.m. PST, 7:00 p.m. EST), at the Kodak Theatre in Hollywood, California.

Watch Oscars 2012 online. But she said her supportive husband, actor Julius Tennon, encouraged her to 'step into who I am.'

Watch Oscars online. And revealing her dark auburn curls not only allowed the actress to be her true self, but she also admitted that her natural hair gives her a newfound sense of power.

Oscars 2012 live stream. 'I feel very powerful, I really do. I feel more powerful everyday, more secure in who I am and I've waited so long for that feeling. It feels so divine,' said Davis.

Oscars live stream. Viola was joined by Emma Stone, 23, and Octavia, both of whom are nominated for gongs at Sunday’s ceremony thanks to their respective roles in the drama film, based on the book of the same name.

Oscars 2012 live stream. Octavia, 39, wore a white shirt with a black patent belt around her waist as she attended the luncheon.

Watch Oscars online. The annual event, which took place in Beverly Hills today, also honoured Mission Impossible star Paula Patton.

Watch Oscars 2012 online. And the 36-year-old actress looked suitably glamorous for her special appearance, wearing a form-fitting white dress that showed off a lot of cleavage.

Watch Oscars online. She matched silver detailing on the bust of the dress with a pair of pointed court shoes and topped off her look with ruby red lipstick.

A spokesperson for the Academy told Deadline.com: 'We would hope that every studio knows that this is a bad idea. The Red Carpet is not about stunting.'

They also told The Hollywood Reporter that he is not welcome in character and added: 'We have not banned him. We’re just waiting to hear what he’s going to do.'

It's not the first time Baron Cohen has run into trouble with the Academy.

In 2010, he was dropped as a presenter at the Oscars, after he allegedly planned to poke fun at film Avatar by dressing up as one of its characters - a blue-skinned, female Na'vi - and revealing to the audience that 'she' was pregnant with Cameron's love child.

Show bosses feared he would drive Avatar director James Cameron to storm out of the ceremony so they axed the sketch and Baron Cohen was dumped from his first ever Oscars appearance.

Baron Cohen has made a point of dressing in his famous film characters on several high profile occasions.